#Multiple implementation of stemming here please
class Stemmer():

	def __init__(self,mode, data):
		#Different type of stemmer = different modes
		self.mode = mode
		self.data = data

	def stem(self):
		#Do stuff here
		if(self.mode == 0):
			#Do stemmer 1
			return #stemmed data
		#....

	def #name of stemmer 1

	def #name of stemmer 2